#! /usr/bin/env python
# -*- coding: utf-8 -*-

# *************************************************************
#     Filename @  krandom.py
#       Author @  Huoty
#  Create date @  2015-12-18 10:42:42
#  Description @
# *************************************************************

from random import sample

def random_str(length):
    chars = "qwertyuiopasdfghjklzxcvbnm1234567890"
    return "".join(sample(chars, length))

# Script starts from here

if __name__ == "__main__":
    print test
